US4357470AExpiredUtilityPatentIndex 52

Cephalosporin compounds

Assignee: TAISHO PHARMACEUTICAL CO LTDPriority: May 10, 1980Filed: Apr 23, 1981Granted: Nov 2, 1982

Est. expiryMay 10, 2000(expired)· nominal 20-yr term from priority

Inventors:WATANABE YOSHIAKI YOKOO CHIHIRO ASAKA TOSHIFUMI ONODERA AKIRA SOTA KAORU SAWADA JIRO

C07D 471/04A61P 31/04

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Claims

Abstract

Novel cephalosporin compounds having the general formula ##STR1## wherein X represents hydrogen atom or hydroxy group, and the non-toxic pharmacologically acceptable salts thereof are disclosed. These compounds are useful as antibacterial agents.

Claims

exact text as granted — not AI-modified

What is claimed is: 
     
       1. Cephalosporin compound having the general formula ##STR9## wherein X represents a hydrogen atom or hydroxy group, and the non-toxic pharmacologically acceptable salts thereof. 
     
     
       2. A compound according to claim 1 is 7-[D-α-(4-hydroxy-pyrazino[2,3-f]quinoline-3-carboxamido)-α-phenylacetamido]-3-(1-carboxymethyl-tetrazole-5-yl)thiomethyl-Δ 3  -cephem-4-carboxylic acid and non-toxic pharmacologically acceptable salts thereof. 
     
     
       3. A compound according to claim 1 is 7-[D-α-(4-hydroxy-pyrazino[2,3-f]quinoline-3-carboxamido)-α-(4-hydroxyphenyl)acetamido]-3-(1-carboxymethyl-tetrazole-5-yl)thiomethyl-.DELTA. 3  -cephem-4-carboxylic acid and non-toxic pharmacologically acceptable salts thereof.

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